emplace_front: Add an element to the front
In cppcontainers: 'C++' Standard Template Library Containers
emplace_front R Documentation
Add an element to the front
Description
Add an element to the front of a container by reference in place.
Usage
emplace_front(x, value)
Arguments
x
A CppDeque, CppForwardList, or CppList object.
value
A value to add to x.
Details
The emplace methods only add single elements. Use insert to add multiple elements in one call.
Value
Invisibly returns NULL.
See Also
emplace, emplace_after, emplace_back, insert, pop_front, push_front.
Examples
l <- cpp_forward_list(4:6)
l
# 4 5 6
emplace_front(l, 12L)
l
# 12 4 5 6
cppcontainers documentation built on Sept. 9, 2025, 5:55 p.m.
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| emplace_front | R Documentation |
Add an element to the front
Description
Add an element to the front of a container by reference in place.
Usage
emplace_front(x, value)
Arguments
x |
A CppDeque, CppForwardList, or CppList object. |
value |
A value to add to |
Details
The emplace methods only add single elements. Use insert to add multiple elements in one call.
Value
Invisibly returns NULL.
See Also
emplace, emplace_after, emplace_back, insert, pop_front, push_front.
Examples
l <- cpp_forward_list(4:6)
l
# 4 5 6
emplace_front(l, 12L)
l
# 12 4 5 6
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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